Background compensating bar code readers
Background light intensity compensation circuit for a line scan
Backup method for multiple source optical scanner
Badge reader using infrared light
Badge reader with improved slide arrangement
Balancing apparatus for magnetic circuits employed in data stora
Banking card for automatic teller machines and the like
Bar code acquisition utilizing moire patterns
Bar code addressing audio playing device
Bar code and method and apparatus for interpreting the same
Bar code and method of forming a bar code having color for...
Bar code and read-out method thereof
Bar code and reading and decoding device
Bar code arrangement for identifying positions along an axis
Bar code candidate select circuit
Bar code configuration and method of molding
Bar code controlled microwave oven
Bar code converter
Bar code data driven communications by mobile computer...
Bar code data entry device